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Get started17 Ajax Avenue is an end-of-terrace house in Barnet, London, London (NW9 5EY). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 1930-1949 and council tax band C. At 51 m² this is the 6th smallest of 32 units on EPC record in the building, where floor areas span 31–112 m². The building's EPC ratings span D to B, with this unit at the bottom. The latest certificate (October 2021) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 4 certificates since November 2011. Between certificates, lighting went from Good to Very Good. The recommended improvements would push it to C (score 77).
Sale prices here have outpaced London HPI: 10.5% per year against 0% for the wider region. Today's modelled estimate of £333,000 is 60.8% below the 2018 sale of £850,000, running counter to the wider postcode trend, which makes the EPC and condition history especially worth a look. On a £-per-square-foot basis, the last sale (£1,548/sq ft) was about 356.7% above the typical sold price in the postcode. At 51 m² it sits well below the postcode median (82 m² across 31 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 77% of similar EPCs). 9 planning records sit against the property, 0 approved, 4 refused. Sold July 2018 for £850,000.
Council records show a subdivision application — the property's legal arrangement has been altered.
Use as 2no. self-contained flats
Latest sale on 17 Ajax Avenue was the highest on Land Registry record across the postcode.
£333,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.5% per year over 22 years.
£850,000
Growth on file: 10.5% per year over 22 years.
Price per m² for 17 Ajax Avenue runs comfortably ahead of the street norm.
Price per m²
£16,667
Street avg £4,092
Floor Area
51 m²
Street avg 65 m²
Habitable Rooms
3 rooms
Rail-style transport is unusually close for this postcode.
Crime
15/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Ajax Avenue — bus stop.

Daytime· 07:00 – 23:00
53.5dB

Changes detected from historical EPC data
Changed to a more efficient fuel source
Heating controls changed
More low energy lighting installed
Fuel source changed
Heating controls upgraded for better temperature management
Are we missing something? Tell us about home improvements to help adjust your valuation.
Use of outbuildings at rear as 3no self-contained residential units
7 more applications for this property
Join to see all planning history.
12 July 2018Most recent
£850,000
+824.0%over 22 years3 April 1996
£91,995
Median price across the last 5 sales in NW9 5EY: £469,000 (2023–2016).
Street avg 3 rooms
CO₂ Emissions
2.3 t/year
Street avg 1.4 t/year
Closest school
0.4 km
Beis Yaakov Primary School. 48 schools nearby.
Night-time· 23:00 – 07:00
43.4dB
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